Best of the Twenty Aughts - Most Important Games

Yes, it really has been 10 years since Y2K.  As we enter the brave new decade where Back to the Future promised us hover-boards, flying cars, and geoengineered weather cycles, I'm going to start with an extremely generic list of games that drastically shaped the industry.  It's a boring start to celebrating 10 solid years of gaming, but why not?
There are a lot of games that aren't going to make this list.  A lot of great games.  The four lucky titles on this list are absolutely critical to the current course of the medium.

List items

Edited by ahoodedfigure

Pastors give sermons on WoW?  I wonder if the people the pastors are trying to reach are even there to listen to the sermons... :)